The immune system usually is not in contact with the testicle, and thus trauma to the testis can have your immune system be exposed to sperm for the 1st time and you can develop antibodies against your own sperm.

In brief:
Yes

The immune system usually is not in contact with the testicle, and thus trauma to the testis can have your immune system be exposed to sperm for the 1st time and you can develop antibodies against your own sperm.
Would you like to video or text chat with me?